Sewing machine



FIG. 1 is a perspective view of a sewing machine showing our new design;

FIG. 2 is a front elevational view of thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a left side elevational view thereof;

FIG. 8 is a perspective view of thereof, shown with the lid open;

FIG. 9 is a front elevational view of thereof, shown with the lid open; and,

FIG. 10 is a top plan view of thereof, shown with the lid open. 

The ornamental design for a sewing machine, as shown and described. 